Home / 458,339,846.70-686,502,000.45-397,873,670.70

Finding the Fourth Proportional to 458,339,846.70, 686,502,000.45 and 397,873,670.70

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Solution

The fourth proportional to 458,339,846.70, 686,502,000.45 and 397,873,670.70 is: 595,935,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,339,846.70 : 686,502,000.45 = 397,873,670.70 : x
  2. Step 2: Convert to fraction form
    458,339,846.70/686,502,000.45 = 397,873,670.70/x
  3. Step 3: Cross multiply
    458,339,846.70x = 686,502,000.45 × 397,873,670.70
  4. Step 4: Simplify right side
    458,339,846.70x = 273,141,070,861,934,560
  5. Step 5: Solve for x
    x = 273,141,070,861,934,560/458,339,846.70
  6. Step 6: Final answer
    x = 595,935,685.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.